Sesh Bala was born in Madurai, Tamil Nadu, India, and moved to the United States in 1966 to pursue his master's degree in computer science at University of California, Berkeley. He moved to Houston in 1971 as he got transferred for his job working for Shell Oil Company, then Shell Development Company. He worked at Shell Oil Company for 35 years until he retired in 2002. He has been, and still is, on numerous boards of nonprofit organizations and is currently very involved with DAYA, a nonprofit organization that supports victims of domestic violence in South Asian communities, and Houston Greeters, also a nonprofit organization which provides free tours of Houston. He is married and has a son who lives in Texas. Most of his close family members live in India.